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Signed autograph John Tyndale philosopher 1820-1893

Nice autograph of Irish natural philosopher John Tyndall who lived from 1820 to 1893. He was massively influential and to quote from Wikipedia: Though perhaps initially wishing to understand how electromagnetism is able to act at a distance through the air, in the 1860s and 1870s Tyndall mostly studied air, and the earth's atmosphere, and he produced a number of major scientific clarifications or discoveries about processes in the atmosphere: Tyndall explained atmospheric heat in terms of the capacities of various gases to absorb or transmit radiant heat. He constructed the first ratio spectrophotometer which he used to measure the absorptive powers of the gases nitrogen, oxygen, water vapour, carbon dioxide, ozone, hydrocarbons, etc. He concluded that water vapour is the strongest absorber of heat in the atmosphere and is the principal gas controlling air temperature; He scientifically characterized the scattering of light by dust and large molecules in the air, now known as the Tyndall Effect. In studying the interactions between light and the constituents of air, he developed the nephelometer and other precision instruments; In the lab he developed 'optically pure' (i.e. extremely filtered) air. This air contained relatively very little or no micro-organisms. He compared what happened when he let prepared meat sit in such pure air and in ordinary air. The preparations in the pure air didn't go putrid, unlike the ones in ordinary air. These studies extended Louis Pasteur's recent demonstrations about germs. But Tyndall was also able to discover germ spores in even the most carefully cleaned and filtered air, which, at the time, had the effect of counter-refuting some would-be refutations of Pasteur's "germ theory"; and he devised a method of killing the spores that came to be known as "tyndallization"; He is credited with the first ever atmospheric pollution measurements using infrared and scattering measurement instruments to monitor a city's air quality (in London); He was the first to show that ozone is an oxygen cluster (it was thought to have been a hydrogen compound); During the 1860s and 1870s he published a number of research reports about sound propagation in air, and he invented a better foghorn based on his knowledge in this area; Invented a fireman's respirator, a hood that filtered smoke and gas from air.

Islington & Highbury documents Goodall interest
 
Item code:E405
Price:£15
 
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Code
Price
Islington & Highbury documents Goodall interest NEW - Islington & Highbury documents Goodall interest
Old documents relating to Islington and Highbury. They are:
# Probate document... view detail
E404B

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£16

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1859 indenture Littlebourne, Willesborough, Kent NEW - 1859 indenture Littlebourne, Willesborough, Kent
1859 2-part indenture concerning Littlebourne, Isle of Thanet, Willesborough in... view detail
E410

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£15

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1885 indenture Sheerness Isle of Sheppey Kent Berridge Road NEW - 1885 indenture Sheerness Isle of Sheppey Kent Berridge Road
Interesting original 1885 2-part indenture for property in Berridge Road, Sheerness,... view detail
E409

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£14

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1861 2-part Indenture Brookland Lydd Romney Marsh Kent NEW - 1861 2-part Indenture Brookland Lydd Romney Marsh Kent
Good condition 1861 indenture concerning grazing land around Romney Marsh and mentioning... view detail
E408

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£15

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1838 town clerk’s bill Maidstone Council, Kent NEW - 1838 town clerk’s bill Maidstone Council, Kent
Interesting itemised handwritten bill made out to Maidstone Council, Kent in 1838. It’s... view detail
E407

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£12

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1953 Ration Book Langton, Ilkeston, Derbyshire interest NEW - 1953 Ration Book Langton, Ilkeston, Derbyshire interest
1953/54 Ration Book issued to one Fruze Langton who lived at 52 Richmond Avenue,... view detail
E406

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£8

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1828 2-part indenture Bethersden & Sellinge, Kent interest James Avery, Ann Brown NEW - 1828 2-part indenture Bethersden & Sellinge, Kent interest James Avery, Ann Brown
One headed indenture, the other headed Trust, dated 1828, regarding land near Bethersden... view detail
E405A

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£15

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Signed autograph John Tyndale philosopher 1820-1893 Signed autograph John Tyndale philosopher 1820-1893
Nice autograph of Irish natural philosopher John Tyndall who lived from 1820 to... view detail
E405

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£15

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1957 cancelled UK passport Iran interest 1957 cancelled UK passport Iran interest
Original old UK passport, now cancelled of course. It was issued in Tehran in 1967... view detail
E404

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£10

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1935 Billingsgate Ward Club subscription certificate 1935 Billingsgate Ward Club subscription certificate
Interesting certificate acknowledging subscription for membership of the Billingsgate... view detail
E401

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£7

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2 Will and testament documents Leeds interest 2 Will and testament documents Leeds interest
Two indentures of the will of Mrs Sarah Preston, Leeds, who died in 1909. Both are... view detail
E134

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£6

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1948 Penang invoice Malaysia interest 1948 Penang invoice Malaysia interest
1948 invoice for Permai company Penang. It has a Malaysia stamp receipt and is in... view detail
E130

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£9

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Italian Archaeology Italian Archaeology
1864 certificate by Institute di Corrispondenza, 20" x 13", fair condition, some... view detail
E127

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£8

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Gateshead Central Mission Unemployed Mens Service Gateshead Central Mission Unemployed Mens Service
1933 hand-written address farewell service, single page, 6" x 10", unusual item... view detail
E122

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Northweald Bassett and Magdalen Laver Essex Northweald Bassett and Magdalen Laver Essex
Abstract of title to lands in this area made out to Roger Rant Lord, 17" x 13",... view detail
E121

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£14

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